Goldbach’s conjecture states that “Every even integer greater than 2 can be written as the sum of two primes.” A prime number is a number that is only divisible by itself and 1. The problem is that no counter-example or proof has been given for Goldbach’s Conjecture.

A perfect number N is one in which the sum of its divisors equal N. This means that first perfect number is 6, because 1, 2, and 3 are its divisors, and when added up are equal to 6. The problem is that it has yet to be proven whether or not any odd perfect…

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